Answer:
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Step-by-step explanation:
3y=x-3
y=1/3x-1
Perpendicular slope: -3
y=-3x+b
Plug in the coordinates in the equation:
-9=-3(5)+b
-9=-15+b
4=b
Equation: y=-3x+4
Also, when finding the perpendicular slope you take the reciprocal of the original slope and make it negative if it is positive and make it positive if it’s negative.
Multiply them together. The product is the answer of a multiplication process.
Answer:
V = 272.3 cube units
The surface area is 418.34 square units
